app/cards/menagerie/events/alliance.js
Alliance = class Alliance extends Event {
coin_cost() {
return 10
}
buy(game, player_cards) {
_.each(['Province', 'Duchy', 'Estate', 'Gold', 'Silver', 'Copper'], (card_name) => {
let card_gainer = new CardGainer(game, player_cards, 'discard', card_name)
card_gainer.gain()
})
}
}